However, all three players are expected to play in the home match against the Swiss side as Bayern seek to overturn a 1-0 first-leg deficit.

Striker Gomez netted a hat-trick, his 11th for the club in the Bundesliga, during Bayern's 7-1 hammering of Hoffenheim at Munich's Allianz Arena on Saturday, but came off after 57 minutes with a cut above his ankle.

"I have a hole in my shin," he said, with the injury bored out by an opponent's studs after he scored Bayern's first goal five minutes into the game.